Answer:
Step-by-step explanation:
Use the Quadratic formula:
You can identify that, in this case:
Now you need to substitute these values into the formula:
Remember that:
Therefore,rewriting and simplifying, you get:
Then, you get the following roots:
R/6<= 3
Multiply 6 on both sides
Final Answer: r<= 18
Answer:
312 cm squared
Step-by-step explanation:
120 + 192 = 312